openwrtv3/target/linux/ixp4xx/patches-2.6.34/601-arm-dma_free_coherent.patch
Alexandros C. Couloumbis 54ad2c05af ixp4xx: add kernel 2.6.34 preliminary support
SVN-Revision: 22373
2010-07-24 00:18:58 +00:00

12 lines
464 B
Diff

--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -384,7 +384,8 @@ EXPORT_SYMBOL(dma_mmap_writecombine);
*/
void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t handle)
{
- WARN_ON(irqs_disabled());
+ if (irqs_disabled()) /* don't want stack dumps for these! */
+ printk("WARNING: at %s:%d %s()\n", __FILE__, __LINE__, __FUNCTION__);
if (dma_release_from_coherent(dev, get_order(size), cpu_addr))
return;